News tagged with metal catalyst
Cheap, abundant cathode material found for producing hydrogen fuel (w/ video)
(PhysOrg.com) -- By replacing catalysts made of expensive noble metals like platinum with cheaper, earth-abundant materials, researchers have taken a step toward enabling the large-scale production of hydrogen ...
May 10, 2011 |
4.4 / 5 (22) |
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Hybrid copper-gold nanoparticles convert CO2
Copper -- the stuff of pennies and tea kettles -- is also one of the few metals that can turn carbon dioxide into hydrocarbon fuels with relatively little energy. When fashioned into an electrode and stimulated ...
Nanotechnology / Nanomaterials
Apr 11, 2012 |
4.7 / 5 (7) |
7
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Breakthrough in designing cheaper, more efficient catalysts for fuel cells
University of California, Berkeley, chemists are reimagining catalysts in ways that could have a profound impact on the chemical industry as well as on the growing market for hydrogen fuel cell vehicles.
Feb 23, 2012 |
4.8 / 5 (13) |
5
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'Tunable' metal nanostructures for fuel cells, batteries and solar energy
(PhysOrg.com) -- For catalysts in fuel cells and electrodes in batteries, engineers would like to manufacture metal films that are porous, to make more surface area available for chemical reactions, and highly ...
Nanotechnology / Nanomaterials
Apr 03, 2012 |
4.9 / 5 (8) |
3
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Research demonstrates method that allows inexpensive carbon materials to store hydrogen at room temperature
Hydrogen has long been considered a promising alternative to fossil fuels for powering cars, trucks and even homes. But one major obstacle has been finding lightweight, robust and inexpensive ways of storing the gas, whose ...
Sep 19, 2011 |
4.9 / 5 (14) |
16
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Metal particle generates new hope for H2 energy
(PhysOrg.com) -- Tiny metallic particles produced by University of Adelaide chemistry researchers are bringing new hope for the production of cheap, efficient and clean hydrogen energy.
Jun 28, 2011 |
4.7 / 5 (13) |
3
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Researchers discover less expensive low-temperature catalyst for hydrogen purification
(PhysOrg.com) -- Engineering researchers from Tufts University, the University of Wisconsin-Madison and Harvard University have demonstrated the low-temperature efficacy of an atomically dispersed platinum catalyst, which ...
Sep 23, 2010 |
4.8 / 5 (6) |
1
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A step toward lighter batteries: Metal catalysts play important role in improving efficiency
A team of researchers at MIT has made significant progress on a technology that could lead to batteries with up to three times the energy density of any battery that currently exists.
Apr 02, 2010 |
4.6 / 5 (14) |
3
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A paperweight for platinum: Bracing catalyst in material makes fuel cell component work better, last longer
A new combination of nanoparticles and graphene results in a more durable catalytic material for fuel cells, according to work published today online at the Journal of the American Chemical Society. The catalytic ...
Nanotechnology / Nanomaterials
Feb 09, 2011 |
4.8 / 5 (6) |
3
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New process yields high-energy-density, plant-based transportation fuel
(PhysOrg.com) -- A team of University of Wisconsin-Madison engineers has developed a highly efficient, environmentally friendly process that selectively converts gamma-valerolactone, a biomass derivative, into the chemical ...
Feb 25, 2010 |
4.8 / 5 (14) |
2
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Hybrid 'Janus' nanoparticles made from gold and titania have high catalytic activity and extraordinary durability
As recently as twenty-five years ago, chemists considered gold to be one of the most inert metallic elements, until the discovery that nanoscale-sized dispersions of gold had high catalytic activity forced ...
Nanotechnology / Nanomaterials
May 10, 2012 |
5 / 5 (4) |
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New metal catalyst drives hydrogen fuel reaction forwards and backwards
(PhysOrg.com) -- When it comes to driving hydrogen production, a new catalyst built at Pacific Northwest National Laboratory can do what was previously shown to happen only in nature: store energy in hydrogen and release ...
Feb 16, 2012 |
5 / 5 (11) |
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Crystal defect shown to be key to making hollow nanotubes
(PhysOrg.com) -- Scientists have no problem making a menagerie of nanometer-sized objects -- wires, tubes, belts, and even tree-like structures. What they sometimes have been unable to do is explain precisely ...
Nanotechnology / Nanomaterials
Apr 22, 2010 |
4.9 / 5 (8) |
0
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Researchers make key step towards turning methane gas into liquid fuel
(PhysOrg.com) -- Researchers at the University of Washington and the University of North Carolina at Chapel Hill have taken an important step in converting methane gas to a liquid, potentially making it more useful as a fuel ...
Oct 22, 2009 |
3.5 / 5 (8) |
1
A greener way to grow carbon nanotubes
Given their size, strength and electrical properties, carbon nanotubes — tiny, hollow cylinders made of carbon atoms — hold promise for a range of applications in electronics, medicine and other ...
Nanotechnology / Nanomaterials
Nov 10, 2010 |
4.6 / 5 (5) |
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